We saw something like this just near 48th Ave & Northmount Dr this afternoon. It seemed too large for a Kestrel but I didn’t get a good look at it. Flight was kind of Kestrel-like. it was being chased by three flickers, two magpies and a crow.

Very difficult with the branch shadows & no comparison for size. Could it possibly be an immature Prairie Falcon? Long white eyebrows & feathers over feet. Although it appears bars on tail are not parallel.

The bird in the photo does appear to be a juvenile Northern Goshawk. I thought it looked a lot like a Merlin, but the eye colour is wrong. Merlins have dark eyes and these appear to be reddish. Juvenile accipiters have red eyes, and the only one with a white eyebrow line is the Goshawk. The other field marks you mention also fit for Goshawk.

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